Das Rathaus in Kopenhagen :  Jens Olsens Weltuhr / 
Hrsg. von dem Magistrat, 6. Abteilung . [Holger Johannessen]. 
 - 30 pages :  illustrations ;  21 cm 
<br/><br/><label>Subjects--Personal Names: </label><br/>Olsen, Jens, 1872-1945. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World clocks.<br/>Clocks and watches--Denmark--Copenhagen.
<br/><br/><label>Subjects--Index Terms: </label>Astronomy Scandinavia City of Copenhagen Towerclock Denmark Olsen Copenhagen Biography astronomical monumental/big specific